{G}{U}, {T}: You may cast spells this turn as though they had flash.
{2}
Arcane Signet
Artifact
{T}: Add one mana of any color in your commander's color identity.
{2}{G}{G}
Beast Whisperer
Creature - Elf Druid
Whenever you cast a creature spell, draw a card.
2 /
3
{G}
Birds of Paradise
Creature - Bird
Flying
{T}: Add one mana of any color.
0 /
1
{1}{G}{U}
Bounding Krasis
Creature - Fish Lizard
Flash (You may cast this spell any time you could cast an instant.)
When Bounding Krasis enters the battlefield, you may tap or untap target creature.
3 /
3
{G}{U}
Coiling Oracle
Creature - Snake Elf Druid
When Coiling Oracle enters the battlefield, reveal the top card of your library. If it's a land card, put it onto the battlefield. Otherwise, put that card into your hand.
1 /
1
{U}{U}
Counterspell
Instant
Counter target spell.
{2}{G}
Cultivate
Sorcery
Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.
{G}
Elvish Mystic
Creature - Elf Druid
{T}: Add {G}.
1 /
1
{G}{G}{U}{U}
Frilled Mystic
Creature - Elf Lizard Wizard
Flash
When Frilled Mystic enters the battlefield, you may counter target spell.
3 /
2
{G}
Fyndhorn Elves
Creature - Elf Druid
{T}: Add {G}.
1 /
1
{G}
Llanowar Elves
Creature - Elf Druid
{T}: Add {G}.
1 /
1
{1}{G}{U}{U}
Mystic Snake
Creature - Snake
Flash
When Mystic Snake enters the battlefield, counter target spell.
2 /
2
{1}{G}
Rattleclaw Mystic
Creature - Human Shaman
{T}: Add {G}, {U}, or {R}.
Morph {2} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)
When Rattleclaw Mystic is turned face up, add {G}{U}{R}.